2020 US Senate Election- Which US Senate seat will put Democrats in the majority?

35 Democratic held US Senate seats are not up for re-election in 2020.
US Senate seats up for re-election in 2020 that Democrats are going to win by a landslide margin.
36)RI(Reed-D)
37)MA(Markey-D)
38)NJ(Booker-D)
39)IL(Durbin-D)
40)DE(Coons-D)
41)OR(Merkley-D)
US Senate seats up for re-election in 2020 that Democrats are going to win by a low double digit margin.
42)VA(Warner-D)
43)NM(Lujan-D)
44)MN(Smith-D)
45)NH(Shaheen-D)
US Senate seats up for re-election in 2020 that Democrats are going to win by a high single digit margin.
46)MI(Peters-D)
47)CO(Hickenlooper-D)
48)AZ special(Kelly-D)
US Senate seats up for re-election in 2020 that Democrats are going to win by a narrow margin.
49)NC(Cunningham-D)
50)ME(Gideon-D)
51)IA(Greenfield-D)